| article html file updated | 11 February 2020 22:34 CET | Update | https://www.mdpi.com/2227-7102/9/1/60 |
| article html file updated | 16 October 2019 16:34 CEST | Update | - |
| article html file updated | 26 April 2019 02:30 CEST | Update | - |
| article html file updated | 11 April 2019 21:31 CEST | Update | - |
| article html file updated | 10 April 2019 21:31 CEST | Update | - |
| article html file updated | 4 April 2019 14:13 CEST | Update | - |
| article html file updated | 25 March 2019 12:30 CET | Original file | - |
| article pdf uploaded. | 25 March 2019 12:28 CET | Updated version of record | https://www.mdpi.com/2227-7102/9/1/60/pdf |
| article xml uploaded. | 25 March 2019 12:28 CET | Update | https://www.mdpi.com/2227-7102/9/1/60/xml |
| article xml file uploaded | 25 March 2019 12:28 CET | Update | - |
| article pdf uploaded. | 15 March 2019 14:45 CET | Version of Record | https://www.mdpi.com/2227-7102/9/1/60/pdf-vor |
| article xml file uploaded | 15 March 2019 14:45 CET | Original file | - |
